Home / 320,386,961.20-449,562,112.40-320,386,961.20

Finding the Fourth Proportional to 320,386,961.20, 449,562,112.40 and 320,386,961.20

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Solution

The fourth proportional to 320,386,961.20, 449,562,112.40 and 320,386,961.20 is: 449,562,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,386,961.20 : 449,562,112.40 = 320,386,961.20 : x
  2. Step 2: Convert to fraction form
    320,386,961.20/449,562,112.40 = 320,386,961.20/x
  3. Step 3: Cross multiply
    320,386,961.20x = 449,562,112.40 × 320,386,961.20
  4. Step 4: Simplify right side
    320,386,961.20x = 144,033,839,062,488,832
  5. Step 5: Solve for x
    x = 144,033,839,062,488,832/320,386,961.20
  6. Step 6: Final answer
    x = 449,562,112.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.